Détails:It was snowing as Aeroflot's inaugural service to Conakry (CKY) and Brazzaville (BZV) was prepared for departure. The runway was cleared, but not the entire width. Snow on the runway edges was limiting the visibility of the runway edge lights. Upon takeoff, the Tu-114 struck a snow drift with the left main undercarriage. The pilot banked the plane to the right, causing the no. 3 propeller to strike the runway. The airplane crashed and caught fire.